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Goodyear's working on an energy-harvesting tire
It's a fundamental principle of physics that when you use energy, say to run an electric car, some of it is lost. Companies have tried to overcome this by installing hardware that harvests this lost heat, most famously in regenerative braking. Goodyear is hoping to do a similar thing with tyres, dreaming up a product that could, theoretically, convert the heat generated from the friction of movement back into power for the battery.
